13055609501 has 4 divisors (see below), whose sum is σ = 14242483104. Its totient is φ = 11868735900.

The previous prime is 13055609491. The next prime is 13055609519. The reversal of 13055609501 is 10590655031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13055609501 - 2¹⁰ = 13055608477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055609101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593436785 + ... + 593436806.

It is an arithmetic number, because the mean of its divisors is an integer number (3560620776).

Almost surely, 2^13055609501 is an apocalyptic number.

13055609501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13055609501 is a deficient number, since it is larger than the sum of its proper divisors (1186873603).

13055609501 is a wasteful number, since it uses less digits than its factorization.

13055609501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186873602.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 13055609501 in words is "thirteen billion, fifty-five million, six hundred nine thousand, five hundred one".